<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>获取视频摄像头</title>
</head>
<body>
<h1>获取视频摄像头</h1>
<div id="app">
    <div>
        <video autoplay width="400" height="300"></video>
    </div>
</div>
<script src="https://unpkg.com/vue@next"></script>
<script src="main.js"></script>
</body>
</html>